Of the highest quality, excellence, or standing: said of both persons and things in regard to mental, moral, or physical qualities, whether inherent or acquired: as, the best writers and speakers; the best families; the best judgment; the best years of one's life; a house built of the best materials.Of greatest advantage, usefulness, or suitability for the purpose intended; most advantageous, suitable, appropriate, or desirable: as, the best man for the place; the best way to do anything.Most kind, beneficent, or good: applied to persons: as, the best husband imaginable; which of your brothers is best to you?Largest; greatest; most: as, we spent the best part of three days in getting there.n. The highest possible state of excellence; the best quality or property of a person or thing.n. All that one can do, or show in one's self: often used in this sense with the possessive pronouns my, thy, his, their, etc.: as, I will do my best to advance your interests; she is bent on looking her best; he did all he could to appear at his best in that performance.n. The best. The best people collectively; those of the highest standing in any respect, but especially socially or intellectually.n. The best things, or a thing of the best quality: as, he always buys the best; dressed in one's best.n. Often used in speaking of things or events that are not so good or favorable as was expected or was to be wished: as, to make the best of ill fortune or a bad bargain.In the most excellent or most suitable manner; with most advantage or success: as, he who runs best gets the prize; the best-behaved boy in the school; the best-cultivated fields.In or to the highest degree; to the fullest extent; most fully: as, those who know him best speak highly of him; those best informed say so; the best-abused man in town.To get the better of; outdo; surpass.To overreach or outwit: as, to best a client.To defeat in a contest; do better than; beat; hence, in pugilism, to thrash soundly; drub; defeat at fisticuffs.Specifically, noting a certain grade of wrought-iron, which is generally divided into four grades: crown, best, best best, and best best best or treble best.